Silicon Carbide Refractory Block from Japan
Silicon carbide refractory blocks are fired ceramic blocks made from silicon carbide grains, used in high-wear areas of incinerators and boiler linings. They provide exceptional abrasion resistance and thermal conductivity. Classified in HTS 6902.90.50 for other refractory ceramic constructional goods.
Duty Rate — Japan → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Provide firing certificates showing temperatures >800°C to confirm Chapter 69 applicability
• Include SiC content certification; avoid declaring as 'articles of chapter 82' if shaped for construction